<?php

/*
 * Pickle
 *
 *
 * @license
 *
 * New BSD License
 *
 * Copyright © 2015-2015, Pickle community. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the Hoa nor the names of its contributors may be
 *       used to endorse or promote products derived from this software without
 *       specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS AND CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

namespace Pickle\Base\Util;

use FilesystemIterator;
use RecursiveDirectoryIterator;
use RecursiveIteratorIterator;

trait FileOps
{
    protected $tempDir;

    public function createTempDir($name = '')
    {
        $tmp = TmpDir::get();
        if (!$name) {
            $name = md5(uniqid());
        }
        $tempDir = $tmp . '/pickle-' . $name;

        if (is_dir($tempDir)) {
            $this->cleanup();
        }
        if (!is_dir($tempDir)) {
            mkdir($tempDir);
        }
        $this->tempDir = $tempDir;
    }

    public function cleanup()
    {
        if (is_dir($this->tempDir)) {
            $iterator = new RecursiveIteratorIterator(
                new RecursiveDirectoryIterator(
                    $this->tempDir,
                    FilesystemIterator::SKIP_DOTS
                ),
                RecursiveIteratorIterator::CHILD_FIRST
            );
            foreach ($iterator as $path) {
                if ($path->isDir()) {
                    rmdir($path->getPathname());
                } else {
                    unlink($path->getPathname());
                }
            }
            rmdir($this->tempDir);
        }
    }

    public function getTempDir()
    {
        return $this->tempDir;
    }
}

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